Accton EN1650

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Accton EN1650
Accton EN1650.jpg
Bus type ISA
Bus width 16-bit
Bus speed 8 MHz
8-bit ISA compatible?
Manufacturer Accton Technology Corporation
Chipset EN5020
Compatible with NE1000, NE2000
Connectors AUI, BNC, TP
Requires -5VDC? No
Requires -12VDC? No
Config method Software
Boot ROM Socket, 28-pin JEDEC, read-only
Driver Vogonsdrivers

The Accton EN1650 is a 10Mbps network card.

Additional photos

Boot ROM

This card's boot ROM socket will take a standard 28-pin ROM chip. It has also been successfully tested with a 32-pin ROM chip using an adapter[1]. XTIDE will run without any problem.

The card's DOS drivers come with a configuration program (1STEP.EXE) that can be used to enable the ROM socket (it is disabled by default) and set the base address, as well as adjust all the usual options like base address and IRQ.


  • I/O address: 240, 280, 2C0, 300, 320, 340, 360.
  • IRQ: 2, 3, 4, 5, 10, 11, 12, 15, Disabled.
  • Boot ROM size: 16kB only.
  • Boot ROM: C000, C400, C800, CC00, D000, D400 and D800, Disabled.


  1. Port 388h - Retrofitting a new EEPROM into an old PC